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GHSA-88f9-7xxh-c688

HighCVSS 8.8 / 10
Published Aug 30, 2021·Last modified Mar 13, 2026
Affected Components(0)

No affected components available

Description

Impact

Authenticated users, regardless of their privileges (User or Admin), can leak the value of any configuration entry of the dotenv file, e.g. the application secret (APP_KEY) and various passwords (email, database, etc).

Patches

This issue was addressed by improving UpdateConfigCommandHandler and preventing the use of nested variables in the resulting dotenv configuration file.

Workarounds

Only allow trusted source IP addresses to access to the administration dashboard.

References

Further technical details are available at https://blog.sonarsource.com/cachet-code-execution-via-laravel-configuration-injection.

For more information

If you have any questions or comments about this advisory, you can contact:

  • The original reporters, by sending an email to vulnerability.research [at] sonarsource.com;
  • The maintainers, by opening an issue on this repository.
Risk Scores
Base Score
8.8

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the confidentiality of the information. There is a high impact on the integrity of the data. There is a high impact on the availability of the system.

Threat Intelligence
8.1

Exploitation activity has been observed. Apply available patches or mitigations urgently.

EPSS
3.89%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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